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2022 Proficiency Test (PT) on Total Metals in polymers started


The letter of instructions can be downloaded here as a pdf document. To download a document, please click the right mouse button and choose the "save as" option.


 Please download the instructions for the PT iis22P06 here: the letter of instructions and the report form here



Summary of this proficiency test:


On 24 August 2022 the proficiency test on Total Metals in polymers started with 162 participants from 34 different countries. On that date, the samples were dispatched to the laboratories.

Please confirm sample receipt as soon as you have received and checked the contents of the sample package via Please enter the date of receipt and press the "save date" button.


The samples can be analyzed on: Total Antimony as Sb, Total Cadmium as Cd, Total Chromium as Cr, Chromium as Cr6+, Total Cobalt as Co, Total Copper as Cu, Total Lead as Pb, Total Mercury as Hg, Total Nickel as Ni, Total Manganese as Mn, Total Tin as Sn and Total Zinc as Zn.


The deadline for reporting results is set on 30 September 2022. A laboratory that reports test results after the deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.

The test results should be reported via our internet based results reporting platform A login and a password can be requested via email to





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